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United States Patent | 5,171,033 |
Olson ,   et al. | December 15, 1992 |
Disclosed is an improved in-line roller skate that cools and drys a skater's foot, provides increased performance, and increased comfort. The skate of the present invention includes a boot having a plurality of venting apertures selectively located therein so as to achieve an interchange of air between the inside of the boot and the external environment thereby providing a cooling and drying circulation of air with in the boot of the in-line roller skate. A skate according to the present invention further includes a cuff pivoting on a pair of guide rails attached to the boot.
Inventors: | Olson; Brennan J. (Minneapolis, MN); Swigart; John F. (Minneapolis, MN) |
Assignee: | Rollerblade, Inc. (Minneapolis, MN) |
Appl. No.: | 547230 |
Filed: | July 3, 1990 |
Current U.S. Class: | 280/11.202; 36/3R; 36/115 |
Intern'l Class: | A63C 017/06 |
Field of Search: | 280/11.22,11.23,11.19,11.3,11.1 36/115,120,121,3 A,3 R,54 |
D327360 | Jun., 1992 | Graham | D2/276. |
2666207 | Jan., 1954 | Lucas | 36/3. |
3045367 | Jul., 1962 | McKeon | 36/72. |
3718994 | Mar., 1973 | Spier | 36/2. |
3798804 | Mar., 1974 | Funck | 36/72. |
3829111 | Aug., 1974 | Nicholls | 280/11. |
3963252 | Jun., 1976 | Carlson | 280/11. |
4107856 | Aug., 1978 | Bourque | 36/115. |
4268981 | May., 1981 | Olivieri | 36/115. |
4408403 | Oct., 1983 | Martin | 36/115. |
4447967 | May., 1984 | Zaino | 36/45. |
4507880 | Apr., 1985 | Ohashi | 36/115. |
4509276 | Apr., 1985 | Bourque | 36/115. |
4693021 | Sep., 1987 | Mazzarolo | 36/3. |
4708352 | Nov., 1987 | Vullierme | 280/11. |
4771555 | Sep., 1988 | Ohashi | 36/3. |
4835885 | Jun., 1989 | Hoshizaki et al. | 36/115. |
4837948 | Jun., 1989 | Cho | 36/3. |
4909523 | Mar., 1990 | Olson | 280/11. |
4920666 | May., 1990 | Marega | 36/54. |
Foreign Patent Documents | |||
0349943 | Jan., 1989 | EP. | |
3228017 | Jul., 1983 | DE | 36/3. |
2484215 | Dec., 1981 | FR. |
Rollerblade "Skates+" Catalog 1989-1990. |